is with the republican presidential candidate. jan, fill us in. >> reporter: well, scott, that blunder happened yesterday in an interview with nbc news when romney talked about problems in the run-up to london's olympics. olympics. >> there were a few things that were disconcerting, the stories about the private security firm not having enough people, the supposed strike of the immigration and customs officials. that, only, is not something which is encouraging. >> reporter: romney's remarks became a full-blown controversy this morning when prime minister david cameron, asked about disruptions in london's subway service, defended the game's organizers. >> we are holding an olympic games in one of the busiest, most active, bustling cities anywhere in the world, and of course it's easier if you hold an olympic games in the middle of nowhere. but, you know, i visited burma recently, and they have six main highways and no cars on them. this is a busy, bustling city, so inevitably you're going to have challenges. >> reporter: cameron was making the point it would be easier to run an olympics in a less- conges